As for Vettel, the 26-year-old isn't willing to make any predictions even though online odds have him as the favourite.

"It's very difficult to predict," Vettel told crash.net.

"We have had painful years there in a way, where we just get hammered down the straights and we've had years where the loss down the straight was limited, so we could come back in the corners and for sure, if you look back the 2011 experience [when we won] was great in that regard. How it turns out to be this year it's difficult to say.

"I think we can be quite confident though. We had a good race in Canada and we had a very good race at Spa, which are both medium downforce type of tracks, so I hope that our low downforce package goes in the same direction."